Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.50 A. 0.67 A. 0.70 A. 0.25 A. 0.50 A. 0.67 A. 0.70 A. 0.25 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following meters has maximum loading effect on the circuit under measurement ? 10 MΩ/volt 100 Ω/volt 1 MΩ/volt 1000 Ω/volt 10 MΩ/volt 100 Ω/volt 1 MΩ/volt 1000 Ω/volt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure the flux, devices used are based on Piezo-electric effect Hall effect Photo-voltaic effect Voltaic effect Piezo-electric effect Hall effect Photo-voltaic effect Voltaic effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The transfer instrument which is used for standardization of a polar type AC potentiometer is a thermal instrument. a moving coil instrument. an electrostatic instrument. a dynamometer instrument. a thermal instrument. a moving coil instrument. an electrostatic instrument. a dynamometer instrument. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The repeat accuracy of an instrument can be judged from its Dynamic error Linearity error Standard deviation of error Static error Dynamic error Linearity error Standard deviation of error Static error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as 960 rev/KWh. 3750 rev/KWh. 1000 rev/KWh. 3600 rev/KWh. 960 rev/KWh. 3750 rev/KWh. 1000 rev/KWh. 3600 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP
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